| Grimstad to Rosemont (California) | 5,149.05 mi (8,286.59 km) |
| Grimstad to Rosemount (Minnesota) | 4,035.58 mi (6,494.63 km) |
| Grimstad to Rosenberg (Texas) | 4,987.04 mi (8,025.87 km) |
| Grimstad to Roseville (California) | 5,134.28 mi (8,262.82 km) |
| Grimstad to Roseville (Michigan) | 3,842.40 mi (6,183.74 km) |
| Grimstad to Roseville (Minnesota) | 4,023.38 mi (6,475.01 km) |
| Grimstad to Rossmoor (California) | 5,369.34 mi (8,641.11 km) |
| Grimstad to Rossville (Maryland) | 3,794.91 mi (6,107.32 km) |
| Grimstad to Roswell (Georgia) | 4,352.33 mi (7,004.40 km) |
| Grimstad to Roswell (New Mexico) | 5,028.39 mi (8,092.42 km) |
| Grimstad to Round Lake (Illinois) | 4,016.00 mi (6,463.13 km) |
| Grimstad to Round Lake Beach (Illinois) | 4,013.28 mi (6,458.76 km) |
| Grimstad to Round Rock (Texas) | 4,988.18 mi (8,027.71 km) |
| Grimstad to Rowland Heights (California) | 5,353.26 mi (8,615.23 km) |
| Grimstad to Rowlett (Texas) | 4,813.68 mi (7,746.88 km) |
